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2. National Science Education Standards - Wikipedia

   en.wikipedia.org/wiki/National_Science_Education...

   Science assessments such as WASL in Washington state [8] contain very little factual content, and most assessment is based on the ability of students as young as the fifth grade to construct and interpret science experiments. By contrast, previous generations of high school and even college students were only expected to participate in, rather ...

3. List of primary education systems by country - Wikipedia

   en.wikipedia.org/wiki/List_of_primary_education...

   5th grade: 10 to 11 years old; 6th grade: 11 to 12 years old; 7th grade: 12 to 13 years old ... science, computers, art, physical education, music, health, ethics ...

4. State of matter - Wikipedia

   en.wikipedia.org/wiki/State_of_matter

   In physics, a state of matter is one of the distinct forms in which matter can exist. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. Many intermediate states are known to exist, such as liquid crystal, and some states only exist under extreme conditions, such as Bose–Einstein condensates and Fermionic ...

5. Branches of science - Wikipedia

   en.wikipedia.org/wiki/Branches_of_science

   Natural sciences: the study of natural phenomena (including cosmological, geological, physical, chemical, and biological factors of the universe). Natural science can be divided into two main branches: physical science and life science (or biology). Social sciences and the humanities: the study of human behavior in its social and cultural aspects.

6. List of physical constants - Wikipedia

   en.wikipedia.org/wiki/List_of_physical_constants

   The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured. Many of these are redundant, in the sense that they obey a known relationship with other physical ...

7. Secondary education in the United States - Wikipedia

   en.wikipedia.org/wiki/Secondary_education_in_the...

   Secondary education is the last six or seven years of statutory formal education in the United States. It culminates with twelfth grade (age 17–18). Whether it begins with sixth grade (age 11–12) or seventh grade (age 12–13) varies by state and sometimes by school district. [ 1 ]